A vehicle burglarproof system and a vehicle burglarproof method are disclosed. The vehicle burglarproof system comprises a vehicle component, an electrocardiography (ECG) sensor, a first register, a remote controller and a microcontroller. The remote controller comprises a second register. The ECG sensor senses current ECG information. The first register stores the current ECG information. The second register stores pre-recorded ECG information. If the current ECG information matches the pre-recorded ECG information, the microcontroller controls the vehicle component to change to a second state from a first state which is different from the second state.